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VCID-1q61-xygj-z3c1
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An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles.
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CVE-2025-6425
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VCID-24jc-r9xj-93fs
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A process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape.
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CVE-2025-4083
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VCID-2st9-4ff5-kuf9
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Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code.
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CVE-2025-8030
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VCID-3p6h-zmbc-gbgq
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Thunderbird executed javascript: URLs when used in object and embed tags.
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CVE-2025-8029
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VCID-4g4j-e7x5-zfhs
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When a file download is specified via the Content-Disposition header, that directive would be ignored if the file was included via a <embed> or <object> tag, potentially making a website vulnerable to a cross-site scripting attack.
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CVE-2025-6430
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VCID-62bd-1g3u-cqhp
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On arm64, a WASM br_table instruction with a lot of entries could lead to the label being too far from the instruction causing truncation and incorrect computation of the branch address.
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CVE-2025-8028
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VCID-8rs8-11yk-akfy
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The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref.
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CVE-2025-8033
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VCID-9qgx-e2kh-uyew
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The username:password part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials.
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CVE-2025-8031
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VCID-ek9g-1ur7-vud4
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Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks.
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CVE-2025-5263
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VCID-fdr6-qypx-1uhr
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An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes.
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CVE-2025-4919
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VCID-g2eh-3utg-f7cn
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An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object.
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CVE-2025-4918
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VCID-g76u-agqq-eqca
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Thunderbird could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an embed tag. This could have bypassed website security checks that restricted which domains users were allowed to embed.
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CVE-2025-6429
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VCID-gf4f-pq9k-kugc
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A use-after-free in FontFaceSet resulted in a potentially exploitable crash.
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CVE-2025-6424
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VCID-gw8f-56ya-fyaj
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A double-free could have occurred in `vpx_codec_enc_init_multi` after a failed allocation when initializing the encoder for WebRTC. This could have caused memory corruption and a potentially exploitable crash.
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CVE-2025-5283
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VCID-h3um-uvwe-9udy
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A vulnerability was identified in Thunderbird where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access and potentially, memory corruption.
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CVE-2025-4087
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VCID-k2g8-b3u6-63aj
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On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits.
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CVE-2025-8027
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VCID-qq4y-61vn-pfdq
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Specific handling of an attacker-controlled VP8 media stream could lead to a heap buffer overflow in the content process. We are aware of this issue being exploited in other products in the wild.
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CVE-2023-5217
GHSA-qqvq-6xgj-jw8g
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VCID-qst2-ktgg-jkfp
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Memory safety bugs present in Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.
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CVE-2025-8034
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VCID-r6r1-du8s-xbhw
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Memory safety bugs present in Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.
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CVE-2025-8035
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VCID-sz4n-5y9b-4fdh
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Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks.
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CVE-2025-5266
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VCID-u8zp-hwjv-8fgf
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Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code.
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CVE-2025-5269
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VCID-ufc9-wufv-ubgc
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Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.
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CVE-2025-4091
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VCID-ufen-1skg-17b2
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Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.
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CVE-2025-5268
|
|
VCID-utqu-6qzq-hudx
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A clickjacking vulnerability could have been used to trick a user into leaking saved payment card details to a malicious page.
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CVE-2025-5267
|
|
VCID-vabp-m3k4-wqhz
|
Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system.
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CVE-2025-5264
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VCID-wzr2-5k1q-yybx
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XSLT document loading did not correctly propagate the source document which bypassed its CSP.
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CVE-2025-8032
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|
VCID-zuwe-8m4p-u7hr
|
Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code.
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CVE-2025-4093
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