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Vulnerability Instance

Lookup for vulnerabilities affecting packages.

Vulnerability_idVCID-a5fa-6njr-dkff
SummaryA vulnerability was found in Cesanta Mongoose up to 7.20. This impacts the function handle_mdns_record of the file mongoose.c of the component mDNS Record Handler. Performing a manipulation of the argument buf results in stack-based buffer overflow. Remote exploitation of the attack is possible. A high degree of complexity is needed for the attack. The exploitability is said to be difficult. The exploit has been made public and could be used. Upgrading to version 7.21 will fix this issue. The patch is named 0d882f1b43ff2308b7486a56a9d60cd6dba8a3f1. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Aliases
0
alias CVE-2026-5245
Fixed_packages
0
url pkg:deb/debian/mongoose@0?distro=sid
purl pkg:deb/debian/mongoose@0?distro=sid
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/mongoose@0%3Fdistro=sid
1
url pkg:deb/debian/mongoose@7.21%2Bds-2?distro=sid
purl pkg:deb/debian/mongoose@7.21%2Bds-2?distro=sid
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/mongoose@7.21%252Bds-2%3Fdistro=sid
2
url pkg:deb/debian/swupdate@2024.12.1%2Bdfsg-3~bpo12%2B1
purl pkg:deb/debian/swupdate@2024.12.1%2Bdfsg-3~bpo12%2B1
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/swupdate@2024.12.1%252Bdfsg-3~bpo12%252B1
3
url pkg:deb/debian/swupdate@2025.12%2Bdfsg-10~bpo13%2B2
purl pkg:deb/debian/swupdate@2025.12%2Bdfsg-10~bpo13%2B2
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/swupdate@2025.12%252Bdfsg-10~bpo13%252B2
4
url pkg:deb/debian/swupdate@2025.12%2Bdfsg-10?distro=trixie
purl pkg:deb/debian/swupdate@2025.12%2Bdfsg-10?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/swupdate@2025.12%252Bdfsg-10%3Fdistro=trixie
5
url pkg:deb/debian/swupdate@2026.05%2Bdfsg-2?distro=trixie
purl pkg:deb/debian/swupdate@2026.05%2Bdfsg-2?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/swupdate@2026.05%252Bdfsg-2%3Fdistro=trixie
6
url pkg:deb/debian/swupdate@2026.05%2Bdfsg-3?distro=trixie
purl pkg:deb/debian/swupdate@2026.05%2Bdfsg-3?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/swupdate@2026.05%252Bdfsg-3%3Fdistro=trixie
Affected_packages
0
url pkg:deb/debian/swupdate@2020.11-2%2Bdeb11u1?distro=trixie
purl pkg:deb/debian/swupdate@2020.11-2%2Bdeb11u1?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-3h5r-u3s3-q3cw
1
vulnerability VCID-4qed-ypyn-h7g8
2
vulnerability VCID-5eyj-mkr1-jqbc
3
vulnerability VCID-8k5u-kan2-bfbp
4
vulnerability VCID-a5fa-6njr-dkff
5
vulnerability VCID-cj9v-dzp9-5bh7
6
vulnerability VCID-es9g-3cr2-4uch
7
vulnerability VCID-f75j-a76g-kugg
8
vulnerability VCID-gtby-yxnr-xkek
9
vulnerability VCID-hhe3-54hd-uuf5
10
vulnerability VCID-m2sa-chn1-7uep
11
vulnerability VCID-mxz3-pufp-6kc9
12
vulnerability VCID-n7j2-ujf3-hfb1
13
vulnerability VCID-pwhy-vp1d-dbhs
14
vulnerability VCID-t76j-dv6s-xyes
15
vulnerability VCID-tyce-5v2b-v3d9
16
vulnerability VCID-unah-qwxd-fkhm
17
vulnerability VCID-vna9-pan1-27hj
18
vulnerability VCID-vr12-852j-8ugs
19
vulnerability VCID-wjb8-s5ks-4qek
20
vulnerability VCID-ye6t-yc3z-y7e6
21
vulnerability VCID-yn62-zvfs-hubf
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/swupdate@2020.11-2%252Bdeb11u1%3Fdistro=trixie
1
url pkg:deb/debian/swupdate@2020.11-2%2Bdeb11u1
purl pkg:deb/debian/swupdate@2020.11-2%2Bdeb11u1
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-3h5r-u3s3-q3cw
1
vulnerability VCID-4qed-ypyn-h7g8
2
vulnerability VCID-5eyj-mkr1-jqbc
3
vulnerability VCID-8k5u-kan2-bfbp
4
vulnerability VCID-a5fa-6njr-dkff
5
vulnerability VCID-cj9v-dzp9-5bh7
6
vulnerability VCID-es9g-3cr2-4uch
7
vulnerability VCID-f75j-a76g-kugg
8
vulnerability VCID-gtby-yxnr-xkek
9
vulnerability VCID-hhe3-54hd-uuf5
10
vulnerability VCID-m2sa-chn1-7uep
11
vulnerability VCID-mxz3-pufp-6kc9
12
vulnerability VCID-n7j2-ujf3-hfb1
13
vulnerability VCID-pwhy-vp1d-dbhs
14
vulnerability VCID-t76j-dv6s-xyes
15
vulnerability VCID-tyce-5v2b-v3d9
16
vulnerability VCID-unah-qwxd-fkhm
17
vulnerability VCID-vna9-pan1-27hj
18
vulnerability VCID-vr12-852j-8ugs
19
vulnerability VCID-wjb8-s5ks-4qek
20
vulnerability VCID-ye6t-yc3z-y7e6
21
vulnerability VCID-yn62-zvfs-hubf
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/swupdate@2020.11-2%252Bdeb11u1
2
url pkg:deb/debian/swupdate@2022.12%2Bdfsg-4%2Bdeb12u2?distro=trixie
purl pkg:deb/debian/swupdate@2022.12%2Bdfsg-4%2Bdeb12u2?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-3h5r-u3s3-q3cw
1
vulnerability VCID-4qed-ypyn-h7g8
2
vulnerability VCID-5eyj-mkr1-jqbc
3
vulnerability VCID-8k5u-kan2-bfbp
4
vulnerability VCID-a5fa-6njr-dkff
5
vulnerability VCID-cj9v-dzp9-5bh7
6
vulnerability VCID-f75j-a76g-kugg
7
vulnerability VCID-gtby-yxnr-xkek
8
vulnerability VCID-hhe3-54hd-uuf5
9
vulnerability VCID-m2sa-chn1-7uep
10
vulnerability VCID-mxz3-pufp-6kc9
11
vulnerability VCID-pwhy-vp1d-dbhs
12
vulnerability VCID-vr12-852j-8ugs
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/swupdate@2022.12%252Bdfsg-4%252Bdeb12u2%3Fdistro=trixie
3
url pkg:deb/debian/swupdate@2022.12%2Bdfsg-4%2Bdeb12u2
purl pkg:deb/debian/swupdate@2022.12%2Bdfsg-4%2Bdeb12u2
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-3h5r-u3s3-q3cw
1
vulnerability VCID-4qed-ypyn-h7g8
2
vulnerability VCID-5eyj-mkr1-jqbc
3
vulnerability VCID-8k5u-kan2-bfbp
4
vulnerability VCID-a5fa-6njr-dkff
5
vulnerability VCID-cj9v-dzp9-5bh7
6
vulnerability VCID-f75j-a76g-kugg
7
vulnerability VCID-gtby-yxnr-xkek
8
vulnerability VCID-hhe3-54hd-uuf5
9
vulnerability VCID-m2sa-chn1-7uep
10
vulnerability VCID-mxz3-pufp-6kc9
11
vulnerability VCID-pwhy-vp1d-dbhs
12
vulnerability VCID-vr12-852j-8ugs
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/swupdate@2022.12%252Bdfsg-4%252Bdeb12u2
4
url pkg:deb/debian/swupdate@2024.12.1%2Bdfsg-3%2Bdeb13u2?distro=trixie
purl pkg:deb/debian/swupdate@2024.12.1%2Bdfsg-3%2Bdeb13u2?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-3h5r-u3s3-q3cw
1
vulnerability VCID-4qed-ypyn-h7g8
2
vulnerability VCID-5eyj-mkr1-jqbc
3
vulnerability VCID-8k5u-kan2-bfbp
4
vulnerability VCID-a5fa-6njr-dkff
5
vulnerability VCID-cj9v-dzp9-5bh7
6
vulnerability VCID-f75j-a76g-kugg
7
vulnerability VCID-gtby-yxnr-xkek
8
vulnerability VCID-m2sa-chn1-7uep
9
vulnerability VCID-mxz3-pufp-6kc9
10
vulnerability VCID-vr12-852j-8ugs
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/swupdate@2024.12.1%252Bdfsg-3%252Bdeb13u2%3Fdistro=trixie
5
url pkg:deb/debian/swupdate@2024.12.1%2Bdfsg-3%2Bdeb13u2
purl pkg:deb/debian/swupdate@2024.12.1%2Bdfsg-3%2Bdeb13u2
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-3h5r-u3s3-q3cw
1
vulnerability VCID-4qed-ypyn-h7g8
2
vulnerability VCID-5eyj-mkr1-jqbc
3
vulnerability VCID-8k5u-kan2-bfbp
4
vulnerability VCID-a5fa-6njr-dkff
5
vulnerability VCID-cj9v-dzp9-5bh7
6
vulnerability VCID-f75j-a76g-kugg
7
vulnerability VCID-gtby-yxnr-xkek
8
vulnerability VCID-m2sa-chn1-7uep
9
vulnerability VCID-mxz3-pufp-6kc9
10
vulnerability VCID-vr12-852j-8ugs
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/swupdate@2024.12.1%252Bdfsg-3%252Bdeb13u2
References
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2026-5245
reference_id
reference_type
scores
0
value 0.00026
scoring_system epss
scoring_elements 0.07797
published_at 2026-06-08T12:55:00Z
1
value 0.00026
scoring_system epss
scoring_elements 0.07841
published_at 2026-06-07T12:55:00Z
2
value 0.00026
scoring_system epss
scoring_elements 0.07868
published_at 2026-06-06T12:55:00Z
3
value 0.00026
scoring_system epss
scoring_elements 0.07856
published_at 2026-06-05T12:55:00Z
4
value 0.00027
scoring_system epss
scoring_elements 0.08205
published_at 2026-06-09T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2026-5245
1
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-5245
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-5245
2
reference_url https://github.com/cesanta/mongoose/commit/0d882f1b43ff2308b7486a56a9d60cd6dba8a3f1
reference_id 0d882f1b43ff2308b7486a56a9d60cd6dba8a3f1
reference_type
scores
0
value 5.1
scoring_system cvssv2
scoring_elements AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C
1
value 5.6
scoring_system cvssv3
scoring_elements CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2
value 5.6
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
4
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-02T14:27:05Z/
url https://github.com/cesanta/mongoose/commit/0d882f1b43ff2308b7486a56a9d60cd6dba8a3f1
3
reference_url https://vuldb.com/vuln/354826
reference_id 354826
reference_type
scores
0
value 5.1
scoring_system cvssv2
scoring_elements AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C
1
value 5.6
scoring_system cvssv3
scoring_elements CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2
value 5.6
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
4
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-02T14:27:05Z/
url https://vuldb.com/vuln/354826
4
reference_url https://github.com/cesanta/mongoose/releases/tag/7.21
reference_id 7.21
reference_type
scores
0
value 5.1
scoring_system cvssv2
scoring_elements AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C
1
value 5.6
scoring_system cvssv3
scoring_elements CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2
value 5.6
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
4
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-02T14:27:05Z/
url https://github.com/cesanta/mongoose/releases/tag/7.21
5
reference_url https://vuldb.com/submit/770103
reference_id 770103
reference_type
scores
0
value 5.1
scoring_system cvssv2
scoring_elements AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C
1
value 5.6
scoring_system cvssv3
scoring_elements CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2
value 5.6
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
4
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-02T14:27:05Z/
url https://vuldb.com/submit/770103
6
reference_url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*
reference_id cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*
reference_type
scores
url https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*
7
reference_url https://vuldb.com/vuln/354826/cti
reference_id cti
reference_type
scores
0
value 5.1
scoring_system cvssv2
scoring_elements AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C
1
value 5.6
scoring_system cvssv3
scoring_elements CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2
value 5.6
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
4
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-02T14:27:05Z/
url https://vuldb.com/vuln/354826/cti
8
reference_url https://github.com/cesanta/mongoose/
reference_id mongoose
reference_type
scores
0
value 5.1
scoring_system cvssv2
scoring_elements AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C
1
value 5.6
scoring_system cvssv3
scoring_elements CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2
value 5.6
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3
value 6.3
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
4
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-02T14:27:05Z/
url https://github.com/cesanta/mongoose/
Weaknesses
0
cwe_id 119
name Improper Restriction of Operations within the Bounds of a Memory Buffer
description The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
1
cwe_id 121
name Stack-based Buffer Overflow
description A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
Exploits
Severity_range_score5.1 - 6.3
Exploitability0.5
Weighted_severity5.7
Risk_score2.9
Resource_urlhttp://public2.vulnerablecode.io/vulnerabilities/VCID-a5fa-6njr-dkff