fix(libsixel): fix CVE-2026 security vulnerabilities#4
Open
Zeno-sole wants to merge 1 commit into
Open
Conversation
Backport six CVE-2026 fixes from upstream saitoha/libsixel: - CVE-2026-33023: Integer overflow in DCS parameter scaling - CVE-2026-33020: Parser cursor overflow in SIXEL decoder - CVE-2026-33018: Null pointer dereference in palette allocation - CVE-2026-33021: Integer overflow in highcolor encoder - CVE-2026-44636: Integer overflows in encoder and quantizer - CVE-2026-44637: Bad-free in libpng and improper frame lifecycle Log: Fix six CVE-2026 vulnerabilities in libsixel Influence: 1. Test libsixel decoding with crafted SIXEL/PNG/GIF input 2. Verify no segmentation faults with malformed images 3. Check palette allocation null pointer handling 4. Validate DCS parameter scaling integer overflow prevention 5. Verify encoder delay calculation with large values fix(libsixel): 修复 CVE-2026 安全漏洞 从上游 saitoha/libsixel 回溯六个 CVE-2026 修复： - CVE-2026-33023: DCS 参数缩放整数溢出 - CVE-2026-33020: SIXEL 解码器光标溢出 - CVE-2026-33018: 调色板空指针解引用 - CVE-2026-33021: 高彩色编码器整数溢出 - CVE-2026-44636: 编码器和量化器整数溢出 - CVE-2026-44637: libpng 错误释放和帧生命周期问题 Log: 修复 libsixel 六个 CVE-2026 安全漏洞 Influence: 1. 测试使用恶意构造的 SIXEL/PNG/GIF 输入解码 2. 验证畸形图像不会导致段错误 3. 检查调色板分配空指针处理 4. 验证 DCS 参数缩放整数溢出防护 5. 验证编码器大值延时计算 repo: libsixel #master
Contributor
|
[APPROVALNOTIFIER] This PR is NOT APPROVED This pull-request has been approved by: The full list of commands accepted by this bot can be found here. DetailsNeeds approval from an approver in each of these files:Approvers can indicate their approval by writing |
|
TAG Bot TAG: 1.10.5-1deepin3 |
Author
|
/integrate |
|
AutoIntegrationPr Bot |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Backport six CVE-2026 fixes from upstream saitoha/libsixel:
Log: Fix six CVE-2026 vulnerabilities in libsixel
Influence:
fix(libsixel): 修复 CVE-2026 安全漏洞
从上游 saitoha/libsixel 回溯六个 CVE-2026 修复：
Log: 修复 libsixel 六个 CVE-2026 安全漏洞
Influence:
repo: libsixel #master