Staging Environment: Content and features may be unstable or change without notice.
Advisory details: pypa / exiv2/PYSEC-2026-1355
Advisory ID pypa/exiv2/PYSEC-2026-1355
Aliases CVE-2025-55304
GHSA-m54q-mm9w-fp6g
PYSEC-2026-1355
Summary Exiv2 has quadratic performance in ICC profile parsing in JpegBase::readMetadata ### Impact A denial-of-service was found in Exiv2 version v0.28.5: a quadratic algorithm in the ICC profile parsing code in `jpegBase::readMetadata()` can cause Exiv2 to run for a long time. Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. The denial-of-service is triggered when Exiv2 is used to read the metadata of a crafted jpg image file. ### Patches The bug is fixed in version v0.28.6. ### References Issue: https://github.com/Exiv2/exiv2/issues/3333 Fixes: https://github.com/Exiv2/exiv2/pull/3335 (main branch), https://github.com/Exiv2/exiv2/pull/3345 (0.28.x branch) ### For more information Please see our [security policy](https://github.com/Exiv2/exiv2/security/policy) for information about Exiv2 security.
Status Published
Exploitability 0.5
Weighted Severity 1.6
Risk 0.8
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv4 1.8 https://github.com/pypa/advisory-database/blob/main/vulns/exiv2/PYSEC-2026-1355.yaml
Reference id Reference type URL
https://github.com/Exiv2/exiv2
https://github.com/Exiv2/exiv2/issues/3333
https://github.com/Exiv2/exiv2/pull/3335
https://github.com/Exiv2/exiv2/pull/3345
https://pypi.org/project/exiv2
CVE-2025-55304 https://nvd.nist.gov/vuln/detail/CVE-2025-55304
GHSA-m54q-mm9w-fp6g https://github.com/advisories/GHSA-m54q-mm9w-fp6g
GHSA-m54q-mm9w-fp6g https://github.com/Exiv2/exiv2/security/advisories/GHSA-m54q-mm9w-fp6g
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/pypa/advisory-database/blob/main/vulns/exiv2/PYSEC-2026-1355.yaml
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-08-29T15:26:15Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2025/55xxx/CVE-2025-55304.json

Source Advisory: vulnrichment/CVE-2025-55304

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]